---
id: CVE-2026-106584
title: >-
  In ssh-keygen in OpenSSH before 10.6, certificates could have incorrect
  expiration times because of Daylight Saving mishandling
summary: >-
  In ssh-keygen in OpenSSH before 10.6, certificates could have incorrect
  expiration times because of Daylight Saving mishandling. There can be a
  slightly more severe effect on users in certain Antarctic locations.
severity: low
cvss: 2.5
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N'
cwe:
  - CWE-193
  - CWE-295
vendor: openbsd
product: openssh
affected:
  - openssh < 10.6
patched:
  - openssh 10.6
published: '2026-10-06'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T14:40:04.283'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-106584'
references:
  - url: 'https://www.openssh.org/releasenotes.html#10.6'
    label: cve@mitre.org
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-106584.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-106584'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2547201'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-106584'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-106584'
  - url: 'https://access.redhat.com/errata/RHSA-2026:82247'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
epss: 0.00056
epssPercentile: 0.00003
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-07T16:05:37.710499Z'
ingestedAt: '2026-10-06T21:20:28.988Z'
---

## Overview

In ssh-keygen in OpenSSH before 10.6, certificates could have incorrect expiration times because of Daylight Saving mishandling. There can be a slightly more severe effect on users in certain Antarctic locations.

## Affected

- `openssh < 10.6`

## Remediation

Upgrade past the affected range:

- `openssh 10.6`

## Vendor advisories

- **RHSA-2026:82247** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-10-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:82247)